1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4ParticleChangeForDecay.cc,v 1.11 2006/06/29 21:15:03 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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29 | // |
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30 | // |
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31 | // -------------------------------------------------------------- |
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32 | // GEANT 4 class implementation file |
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33 | // |
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34 | // |
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35 | // |
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36 | // ------------------------------------------------------------ |
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37 | // Implemented for the new scheme 23 Mar. 1998 H.Kurahige |
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38 | // Remove modification of energy/momentum 20 Jul, 1998 H.Kurashige |
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39 | // -------------------------------------------------------------- |
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40 | |
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41 | #include "G4ParticleChangeForDecay.hh" |
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42 | #include "G4Track.hh" |
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43 | #include "G4Step.hh" |
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44 | #include "G4TrackFastVector.hh" |
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45 | #include "G4DynamicParticle.hh" |
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46 | #include "G4ExceptionSeverity.hh" |
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47 | |
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48 | G4ParticleChangeForDecay::G4ParticleChangeForDecay():G4VParticleChange() |
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49 | { |
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50 | #ifdef G4VERBOSE |
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51 | if (verboseLevel>2) { |
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52 | G4cout << "G4ParticleChangeForDecay::G4ParticleChangeForDecay() " << G4endl; |
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53 | } |
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54 | #endif |
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55 | } |
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56 | |
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57 | G4ParticleChangeForDecay::~G4ParticleChangeForDecay() |
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58 | { |
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59 | #ifdef G4VERBOSE |
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60 | if (verboseLevel>2) { |
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61 | G4cout << "G4ParticleChangeForDecay::~G4ParticleChangeForDecay() " << G4endl; |
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62 | } |
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63 | #endif |
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64 | } |
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65 | |
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66 | // copy and assignment operators are implemented as "shallow copy" |
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67 | G4ParticleChangeForDecay::G4ParticleChangeForDecay(const G4ParticleChangeForDecay &right): G4VParticleChange(right) |
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68 | { |
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69 | theTimeChange = right.theTimeChange; |
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70 | thePolarizationChange = right.thePolarizationChange; |
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71 | } |
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72 | |
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73 | |
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74 | G4ParticleChangeForDecay & G4ParticleChangeForDecay::operator=(const G4ParticleChangeForDecay &right) |
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75 | { |
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76 | if (this != &right){ |
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77 | theListOfSecondaries = right.theListOfSecondaries; |
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78 | theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries; |
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79 | theNumberOfSecondaries = right.theNumberOfSecondaries; |
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80 | theStatusChange = right.theStatusChange; |
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81 | theTrueStepLength = right.theTrueStepLength; |
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82 | theLocalEnergyDeposit = right.theLocalEnergyDeposit; |
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83 | theSteppingControlFlag = right.theSteppingControlFlag; |
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84 | |
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85 | theTimeChange = right.theTimeChange; |
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86 | thePolarizationChange = right.thePolarizationChange; |
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87 | } |
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88 | return *this; |
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89 | } |
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90 | |
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91 | G4bool G4ParticleChangeForDecay::operator==(const G4ParticleChangeForDecay &right) const |
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92 | { |
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93 | return ((G4VParticleChange *)this == (G4VParticleChange *) &right); |
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94 | } |
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95 | |
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96 | G4bool G4ParticleChangeForDecay::operator!=(const G4ParticleChangeForDecay &right) const |
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97 | { |
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98 | return ((G4VParticleChange *)this != (G4VParticleChange *) &right); |
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99 | } |
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100 | |
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101 | //---------------------------------------------------------------- |
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102 | // methods for Initialization |
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103 | // |
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104 | void G4ParticleChangeForDecay::Initialize(const G4Track& track) |
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105 | { |
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106 | // use base class's method at first |
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107 | G4VParticleChange::Initialize(track); |
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108 | |
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109 | const G4DynamicParticle* pParticle = track.GetDynamicParticle(); |
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110 | |
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111 | // set Time e equal to those of the parent track |
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112 | theTimeChange = track.GetGlobalTime(); |
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113 | |
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114 | // set the Polarization equal to those of the parent track |
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115 | thePolarizationChange = pParticle->GetPolarization(); |
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116 | } |
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117 | |
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118 | //---------------------------------------------------------------- |
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119 | // methods for updating G4Step |
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120 | // |
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121 | |
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122 | G4Step* G4ParticleChangeForDecay::UpdateStepForPostStep(G4Step* pStep) |
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123 | { |
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124 | // Update the G4Step specific attributes |
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125 | return UpdateStepInfo(pStep); |
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126 | } |
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127 | |
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128 | |
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129 | G4Step* G4ParticleChangeForDecay::UpdateStepForAtRest(G4Step* pStep) |
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130 | { |
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131 | // A physics process always calculates the final state of the particle |
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132 | |
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133 | G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint(); |
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134 | G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint(); |
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135 | |
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136 | // update polarization |
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137 | pPostStepPoint->SetPolarization( thePolarizationChange ); |
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138 | |
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139 | // update time |
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140 | pPostStepPoint->SetGlobalTime( theTimeChange ); |
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141 | pPostStepPoint->AddLocalTime( theTimeChange |
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142 | - pPreStepPoint->GetGlobalTime()); |
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143 | pPostStepPoint->AddProperTime( theTimeChange |
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144 | - pPreStepPoint->GetGlobalTime()); |
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145 | |
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146 | |
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147 | #ifdef G4VERBOSE |
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148 | G4Track* aTrack = pStep->GetTrack(); |
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149 | if (debugFlag) CheckIt(*aTrack); |
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150 | #endif |
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151 | |
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152 | // Update the G4Step specific attributes |
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153 | return UpdateStepInfo(pStep); |
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154 | } |
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155 | |
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156 | void G4ParticleChangeForDecay::DumpInfo() const |
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157 | { |
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158 | // Show header |
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159 | G4VParticleChange::DumpInfo(); |
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160 | |
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161 | G4cout.precision(3); |
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162 | G4cout << " Time (ns) : " |
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163 | << std::setw(20) << theTimeChange/ns |
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164 | << G4endl; |
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165 | } |
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166 | |
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167 | G4bool G4ParticleChangeForDecay::CheckIt(const G4Track& aTrack) |
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168 | { |
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169 | G4bool exitWithError = false; |
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170 | |
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171 | G4double accuracy; |
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172 | |
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173 | // global time should not go back |
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174 | G4bool itsOK =true; |
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175 | accuracy = -1.0*(theTimeChange - aTrack.GetGlobalTime())/ns; |
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176 | if (accuracy > accuracyForWarning) { |
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177 | #ifdef G4VERBOSE |
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178 | G4cout << " G4ParticleChangeForDecay::CheckIt : "; |
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179 | G4cout << "the global time goes back !!" << G4endl; |
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180 | G4cout << " Difference: " << accuracy << "[ns] " <<G4endl; |
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181 | #endif |
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182 | itsOK = false; |
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183 | if (accuracy > accuracyForException) exitWithError = true; |
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184 | } |
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185 | |
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186 | // dump out information of this particle change |
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187 | #ifdef G4VERBOSE |
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188 | if (!itsOK) { |
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189 | G4cout << " G4ParticleChangeForDecay::CheckIt " <<G4endl; |
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190 | DumpInfo(); |
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191 | } |
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192 | #endif |
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193 | |
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194 | // Exit with error |
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195 | if (exitWithError) { |
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196 | G4Exception("G4ParticleChangeForDecay::CheckIt", |
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197 | "500", |
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198 | EventMustBeAborted, |
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199 | "time was illegal"); |
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200 | } |
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201 | |
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202 | // correction |
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203 | if (!itsOK) { |
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204 | theTimeChange = aTrack.GetGlobalTime(); |
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205 | } |
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206 | |
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207 | itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack); |
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208 | return itsOK; |
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209 | } |
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210 | |
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211 | |
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212 | |
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213 | |
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214 | |
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